Solid State Relay Heatsinks

Solid state relay heatsinks are devices that provide solid state relays with a means of dissipating heat and maintaining safe operating temperatures. All solid state relays generate heat and failure to manage this can result in the relay's failure or destruction.

What are solid state relay heatsinks made from?

Solid state relay heatsinks are made of high thermal conductive materials such as silver, gold, copper or aluminium. Aluminium is commonly used for its availability and low cost, typically with a black anodized finish to provide additional radiant heating dissipation. The heatsink is firmly attached to the solid state relay.

How do solid state relay heatsinks work?

Heatsinks have vertical fins through which hot air flows, normally assisted by a fan. The fins provide a large surface area that cools the air. Once cooled, the air is expelled into the environment, so ventilation is crucial. A heatsink's performance is measured by its thermal impedance (resistance to the transfer of thermal energy). A lower numerical thermal impedance rating means more efficient heat transfer.

When choosing solid state relay heatsinks you should bear in mind coordinating size, form factor, thermal impedance rating and mounting.


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Description Price Accessory Type For Use With Series Mounting Type
RS Stock No. 922-5249
BrandRS PRO
PHP424.67
Each
units
Thermal Pad WG Series Solid State Relays - -
RS Stock No. 922-5236
BrandRS PRO
PHP3,352.49
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5242
BrandRS PRO
PHP3,784.44
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5239
BrandRS PRO
PHP4,601.43
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5233
BrandRS PRO
PHP8,195.37
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5227
BrandRS PRO
PHP2,607.89
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 703-4552
Mfr. Part No.HS053
PHP5,015.18
Each
units
Heatsink 1 x 3 phase SSR, 1, 2 or 3 single or dual SSR - Panel Mount
RS Stock No. 701-8834
Mfr. Part No.HS103DR
PHP3,761.79
Each
units
Heatsink - - DIN Rail
RS Stock No. 922-2127
Mfr. Part No.SSRHP25
PHP1,371.57
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
RS Stock No. 171-9070
Mfr. Part No.WF210000
BrandCelduc
PHP617.60
Each
units
Heatsink Single Phase Relay - -
RS Stock No. 701-8837
Mfr. Part No.HS151DR
PHP1,393.97
Each
units
Heatsink Crydom SSR - DIN Rail
RS Stock No. 703-4577
Mfr. Part No.HS202DR
PHP2,092.62
Each
units
Heatsink - - DIN Rail
RS Stock No. 917-4866
Mfr. Part No.WF031200
BrandCelduc
PHP9,531.18
Each
units
Heatsink SP/3P Solid Sate Relay - DIN Rail
RS Stock No. 703-4558
Mfr. Part No.HS072
PHP2,189.45
Each
units
Heatsink 1 or 2 single or dual SSR - Panel Mount
RS Stock No. 917-4872
Mfr. Part No.WF112100
BrandCelduc
PHP1,024.95
Each
units
Heatsink 22.5 mm SA and SU Solid State Relay - DIN Rail
RS Stock No. 171-9092
Mfr. Part No.WF121000
BrandCelduc
PHP2,594.69
Each
units
Heatsink SC Series, SG Series, SGT Series, SO Series, SVT Series - Chassis, DIN Rail
RS Stock No. 903-2955
Mfr. Part No.KHS-1BD
BrandKudom
PHP836.78
Each
units
Heatsink Single Phase SSR - DIN Rail
RS Stock No. 776-7713
Mfr. Part No.WF108110
BrandCelduc
PHP1,649.31
Each
units
Heatsink SC Relay, SC Series, SO Relay - Chassis, DIN Rail
RS Stock No. 703-4564
Mfr. Part No.HS301DR
PHP1,436.20
Each
units
Heatsink - - DIN Rail
RS Stock No. 703-4561
Mfr. Part No.HS501DR
PHP674.22
Each
units
Heatsink 1 x single or dual SSR - DIN Rail
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The Heat Sink is for a 1/3 phase ...
Description:
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Description:
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Description:
RS Pro range of heatsinks to suit the WG series solid state relays. The heatsinks feature a 35mm snap on rail to mount the solid state relay, they also feature an M4 threaded grounding terminal.